Guangzhou XinFeng Engineering Machinery Co., Ltd.
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Product Descriptio
| Pos. | Part No | Qty | Parts name |
| 708-7T-00251 | [1] | SWING MOTOR ASSY Komatsu | |
| ["SN: 10371-UP"] |1. | |||
| 708-7T-00250 | [1] | SWING MOTOR ASSY Komatsu | |
| ["SN: 7928-10370"] analogs:["7087T00251"] |1. | |||
| 1. | 708-7T-11240 | [1] | CASE Komatsu |
| ["SN: 7928-UP"] | |||
| 2. | 708-7T-11650 | [1] | COVER,END Komatsu China |
| ["SN: 7928-UP"] | |||
| 3. | 708-7T-51210 | [1] | O-RING Komatsu |
| ["SN: 5001-UP"] | |||
| 4. | 720-68-19610 | [3] | PIN Komatsu |
| ["SN: 5001-UP"] | |||
| 5. | 01010-51250 | [4] | BOLT Komatsu |
| ["SN: 7928-UP"] analogs:["0101081250"] | |||
| 6. | 708-7T-12220 | [1] | SHAFT Komatsu |
| ["SN: 7928-UP"] | |||
| 7. | 708-7T-12240 | [1] | BEARING Komatsu China |
| ["SN: 5001-UP"] analogs:["890001364"] | |||
| 8. | 708-7T-12250 | [1] | BEARING Komatsu China |
| ["SN: 5001-UP"] analogs:["890001365"] | |||
| 9. | 708-7T-12230 | [1] | SEAL,OIL Komatsu |
| ["SN: 5001-UP"] | |||
| 10. | 04065-04518 | [1] | RING,SNAP Komatsu |
| ["SN: 5001-UP"] | |||
| 11. | 708-7T-05020 | [1] | SPACER KIT Komatsu |
| ["SN: 5001-UP"] | |||
| 12. | 708-7T-13421 | [1] | PLATE,THRUST Komatsu |
| ["SN: 7928-UP"] | |||
| 13. | 708-7T-13510 | [1] | GUIDE Komatsu China |
| ["SN: 7928-UP"] analogs:["890001157", "PZF890001157"] | |||
| 14. | 708-7T-13570 | [1] | SPRING Komatsu China |
| ["SN: 7928-UP"] analogs:["890001378"] | |||
| 15. | 708-7T-13530 | [2] | WASHER Komatsu China |
| ["SN: 5001-UP"] analogs:["890001158", "PZF890001158"] | |||
| 16. | 708-7T-13540 | [3] | PIN Komatsu China |
| ["SN: 5001-UP"] analogs:["890001159", "PZF890001159"] | |||
| 17. | 04065-03815 | [1] | RING,SNAP Komatsu |
| ["SN: 5001-UP"] | |||
| 18. | 708-7T-13611 | [7] | PISTON SUB ASSY Komatsu China |
| ["SN: 7928-UP"] | |||
| 19. | 708-7T-13342 | [1] | RETAINER,SHOE Komatsu China |
| ["SN: 5001-UP"] analogs:["890001163", "PZF890001163", "R7087T13342"] | |||
| 20. | 708-7T-13140 | [1] | BLOCK,CYLINDER Komatsu China |
| ["SN: 7928-UP"] analogs:["890001170", "890001376", "PZF890001170", "7087T13121", "7087T13120"] | |||
| 21. | 708-7T-13261 | [1] | PLATE,VALVE Komatsu China |
| ["SN: 10371-UP"] analogs:["7087T13260"] | |||
| 708-7T-13260 | [1] | PLATE,VALVE Komatsu China | |
| ["SN: 7928-10370"] analogs:["7087T13261"] |21. | |||
| 22. | 706-73-72420 | [2] | VALVE Komatsu China |
| ["SN: 5001-UP"] | |||
| 23. | 706-73-72440 | [2] | SPRING Komatsu China |
| ["SN: 5001-UP"] | |||
| 24. | 706-73-72430 | [2] | PLUG Komatsu China |
| ["SN: 5001-UP"] | |||
| 25. | 07002-12434 | [2] | O-RING Komatsu China |
| ["SN: 7928-UP"] analogs:["0700202434", "0700213434"] | |||
| 26. | 708-7T-52512 | [3] | PLATE Komatsu China |
| ["SN: 7928-UP"] analogs:["890001382"] | |||
| 27. | 708-7T-15120 | [2] | DISC Komatsu China |
| ["SN: 7928-UP"] analogs:["890001383"] | |||
| 28. | 708-7T-15140 | [1] | PISTON,BRAKE Komatsu China |
| ["SN: 7928-UP"] analogs:["890001384"] | |||
| 29. | 07000-12130 | [1] | O-RING Komatsu OEM |
| ["SN: 5001-UP"] analogs:["0700002130E", "0700002130", "0700012030", "R0700012130"] | |||
| 30. | 708-7T-55220 | [1] | O-RING Komatsu |
| ["SN: 5001-UP"] | |||
| 31. | 708-7T-15150 | [4] | SPRING Komatsu China |
| ["SN: 7928-UP"] analogs:["890001387"] | |||
| 32. | 708-7T-13710 | [1] | SPACER Komatsu China |
| ["SN: 7928-UP"] analogs:["890001381"] | |||
| 33. | 702-73-04100 | [2] | RELIEF VALVE ASSY Komatsu China |
Theory
The SWING motor is a key component of the excavator's slewing mechanism. It converts the oil pressure provided by the main pump into mechanical energy and inputs it to the reducer. Its working performance will directly affect the rotation speed, driving torque, and rotation of the entire machine. Parking and parking brakes are key to determining the productivity of the entire machine. After the excavator has been working for a long time, the swing motor often appears weak in rotation and unstable in rotation. At this time, it is necessary to replace the internal parts based on the test results.
About Xinfeng Machinery (XF) parts:
If you encounter any technical problems with the excavator, you can consult us.